Commit | Line | Data |
---|---|---|
6733b39a | 1 | /** |
d2eeb1ac | 2 | * Copyright (C) 2005 - 2010 ServerEngines |
6733b39a JK |
3 | * All rights reserved. |
4 | * | |
5 | * This program is free software; you can redistribute it and/or | |
6 | * modify it under the terms of the GNU General Public License version 2 | |
7 | * as published by the Free Software Foundation. The full GNU General | |
8 | * Public License is included in this distribution in the file called COPYING. | |
9 | * | |
10 | * Written by: Jayamohan Kallickal (jayamohank@serverengines.com) | |
11 | * | |
12 | * Contact Information: | |
13 | * linux-drivers@serverengines.com | |
14 | * | |
15 | * ServerEngines | |
16 | * 209 N. Fair Oaks Ave | |
17 | * Sunnyvale, CA 94085 | |
18 | * | |
19 | */ | |
20 | ||
21 | #include "be_mgmt.h" | |
22 | #include "be_iscsi.h" | |
c7acc5b8 JK |
23 | #include <scsi/scsi_transport_iscsi.h> |
24 | ||
25 | unsigned int beiscsi_get_boot_target(struct beiscsi_hba *phba) | |
26 | { | |
27 | struct be_ctrl_info *ctrl = &phba->ctrl; | |
28 | struct be_mcc_wrb *wrb; | |
29 | struct be_cmd_req_get_mac_addr *req; | |
30 | unsigned int tag = 0; | |
31 | ||
32 | SE_DEBUG(DBG_LVL_8, "In bescsi_get_boot_target\n"); | |
33 | spin_lock(&ctrl->mbox_lock); | |
34 | tag = alloc_mcc_tag(phba); | |
35 | if (!tag) { | |
36 | spin_unlock(&ctrl->mbox_lock); | |
37 | return tag; | |
38 | } | |
39 | ||
40 | wrb = wrb_from_mccq(phba); | |
41 | req = embedded_payload(wrb); | |
42 | wrb->tag0 |= tag; | |
43 | be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0); | |
44 | be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI_INI, | |
45 | OPCODE_ISCSI_INI_BOOT_GET_BOOT_TARGET, | |
46 | sizeof(*req)); | |
47 | ||
48 | be_mcc_notify(phba); | |
49 | spin_unlock(&ctrl->mbox_lock); | |
50 | return tag; | |
51 | } | |
52 | ||
53 | unsigned int beiscsi_get_session_info(struct beiscsi_hba *phba, | |
54 | u32 boot_session_handle, | |
55 | struct be_dma_mem *nonemb_cmd) | |
56 | { | |
57 | struct be_ctrl_info *ctrl = &phba->ctrl; | |
58 | struct be_mcc_wrb *wrb; | |
59 | unsigned int tag = 0; | |
60 | struct be_cmd_req_get_session *req; | |
61 | struct be_cmd_resp_get_session *resp; | |
62 | struct be_sge *sge; | |
63 | ||
64 | SE_DEBUG(DBG_LVL_8, "In beiscsi_get_session_info\n"); | |
65 | spin_lock(&ctrl->mbox_lock); | |
66 | tag = alloc_mcc_tag(phba); | |
67 | if (!tag) { | |
68 | spin_unlock(&ctrl->mbox_lock); | |
69 | return tag; | |
70 | } | |
71 | ||
72 | nonemb_cmd->size = sizeof(*resp); | |
73 | req = nonemb_cmd->va; | |
74 | memset(req, 0, sizeof(*req)); | |
75 | wrb = wrb_from_mccq(phba); | |
76 | sge = nonembedded_sgl(wrb); | |
77 | wrb->tag0 |= tag; | |
78 | ||
79 | ||
80 | wrb->tag0 |= tag; | |
81 | be_wrb_hdr_prepare(wrb, sizeof(*req), false, 1); | |
82 | be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI_INI, | |
83 | OPCODE_ISCSI_INI_SESSION_GET_A_SESSION, | |
84 | sizeof(*resp)); | |
85 | req->session_handle = boot_session_handle; | |
86 | sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd->dma)); | |
87 | sge->pa_lo = cpu_to_le32(nonemb_cmd->dma & 0xFFFFFFFF); | |
88 | sge->len = cpu_to_le32(nonemb_cmd->size); | |
89 | ||
90 | be_mcc_notify(phba); | |
91 | spin_unlock(&ctrl->mbox_lock); | |
92 | return tag; | |
93 | } | |
6733b39a | 94 | |
03a12310 | 95 | int mgmt_get_fw_config(struct be_ctrl_info *ctrl, |
6733b39a JK |
96 | struct beiscsi_hba *phba) |
97 | { | |
98 | struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem); | |
99 | struct be_fw_cfg *req = embedded_payload(wrb); | |
100 | int status = 0; | |
101 | ||
102 | spin_lock(&ctrl->mbox_lock); | |
103 | memset(wrb, 0, sizeof(*wrb)); | |
104 | ||
105 | be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0); | |
106 | ||
107 | be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, | |
108 | OPCODE_COMMON_QUERY_FIRMWARE_CONFIG, sizeof(*req)); | |
6733b39a JK |
109 | status = be_mbox_notify(ctrl); |
110 | if (!status) { | |
111 | struct be_fw_cfg *pfw_cfg; | |
112 | pfw_cfg = req; | |
113 | phba->fw_config.phys_port = pfw_cfg->phys_port; | |
114 | phba->fw_config.iscsi_icd_start = | |
115 | pfw_cfg->ulp[0].icd_base; | |
116 | phba->fw_config.iscsi_icd_count = | |
117 | pfw_cfg->ulp[0].icd_count; | |
118 | phba->fw_config.iscsi_cid_start = | |
119 | pfw_cfg->ulp[0].sq_base; | |
120 | phba->fw_config.iscsi_cid_count = | |
121 | pfw_cfg->ulp[0].sq_count; | |
7da50879 | 122 | if (phba->fw_config.iscsi_cid_count > (BE2_MAX_SESSIONS / 2)) { |
a3babda5 | 123 | SE_DEBUG(DBG_LVL_8, |
3cbb7a74 | 124 | "FW reported MAX CXNS as %d\t" |
a3babda5 JK |
125 | "Max Supported = %d.\n", |
126 | phba->fw_config.iscsi_cid_count, | |
127 | BE2_MAX_SESSIONS); | |
128 | phba->fw_config.iscsi_cid_count = BE2_MAX_SESSIONS / 2; | |
7da50879 | 129 | } |
6733b39a JK |
130 | } else { |
131 | shost_printk(KERN_WARNING, phba->shost, | |
457ff3b7 | 132 | "Failed in mgmt_get_fw_config\n"); |
6733b39a JK |
133 | } |
134 | ||
135 | spin_unlock(&ctrl->mbox_lock); | |
136 | return status; | |
137 | } | |
138 | ||
03a12310 | 139 | int mgmt_check_supported_fw(struct be_ctrl_info *ctrl, |
bfead3b2 | 140 | struct beiscsi_hba *phba) |
6733b39a JK |
141 | { |
142 | struct be_dma_mem nonemb_cmd; | |
143 | struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem); | |
144 | struct be_mgmt_controller_attributes *req; | |
145 | struct be_sge *sge = nonembedded_sgl(wrb); | |
146 | int status = 0; | |
147 | ||
148 | nonemb_cmd.va = pci_alloc_consistent(ctrl->pdev, | |
149 | sizeof(struct be_mgmt_controller_attributes), | |
150 | &nonemb_cmd.dma); | |
151 | if (nonemb_cmd.va == NULL) { | |
152 | SE_DEBUG(DBG_LVL_1, | |
153 | "Failed to allocate memory for mgmt_check_supported_fw" | |
154 | "\n"); | |
d3ad2bb3 | 155 | return -ENOMEM; |
6733b39a JK |
156 | } |
157 | nonemb_cmd.size = sizeof(struct be_mgmt_controller_attributes); | |
158 | req = nonemb_cmd.va; | |
f98c96b0 | 159 | memset(req, 0, sizeof(*req)); |
6733b39a JK |
160 | spin_lock(&ctrl->mbox_lock); |
161 | memset(wrb, 0, sizeof(*wrb)); | |
162 | be_wrb_hdr_prepare(wrb, sizeof(*req), false, 1); | |
163 | be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, | |
164 | OPCODE_COMMON_GET_CNTL_ATTRIBUTES, sizeof(*req)); | |
165 | sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd.dma)); | |
166 | sge->pa_lo = cpu_to_le32(nonemb_cmd.dma & 0xFFFFFFFF); | |
167 | sge->len = cpu_to_le32(nonemb_cmd.size); | |
6733b39a JK |
168 | status = be_mbox_notify(ctrl); |
169 | if (!status) { | |
170 | struct be_mgmt_controller_attributes_resp *resp = nonemb_cmd.va; | |
171 | SE_DEBUG(DBG_LVL_8, "Firmware version of CMD: %s\n", | |
172 | resp->params.hba_attribs.flashrom_version_string); | |
173 | SE_DEBUG(DBG_LVL_8, "Firmware version is : %s\n", | |
174 | resp->params.hba_attribs.firmware_version_string); | |
175 | SE_DEBUG(DBG_LVL_8, | |
176 | "Developer Build, not performing version check...\n"); | |
bfead3b2 JK |
177 | phba->fw_config.iscsi_features = |
178 | resp->params.hba_attribs.iscsi_features; | |
179 | SE_DEBUG(DBG_LVL_8, " phba->fw_config.iscsi_features = %d\n", | |
180 | phba->fw_config.iscsi_features); | |
6733b39a JK |
181 | } else |
182 | SE_DEBUG(DBG_LVL_1, " Failed in mgmt_check_supported_fw\n"); | |
bfead3b2 | 183 | spin_unlock(&ctrl->mbox_lock); |
6733b39a JK |
184 | if (nonemb_cmd.va) |
185 | pci_free_consistent(ctrl->pdev, nonemb_cmd.size, | |
186 | nonemb_cmd.va, nonemb_cmd.dma); | |
187 | ||
6733b39a JK |
188 | return status; |
189 | } | |
190 | ||
03a12310 | 191 | int mgmt_epfw_cleanup(struct beiscsi_hba *phba, unsigned short chute) |
6733b39a JK |
192 | { |
193 | struct be_ctrl_info *ctrl = &phba->ctrl; | |
bfead3b2 | 194 | struct be_mcc_wrb *wrb = wrb_from_mccq(phba); |
6733b39a JK |
195 | struct iscsi_cleanup_req *req = embedded_payload(wrb); |
196 | int status = 0; | |
197 | ||
198 | spin_lock(&ctrl->mbox_lock); | |
199 | memset(wrb, 0, sizeof(*wrb)); | |
200 | ||
201 | be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0); | |
202 | be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI, | |
203 | OPCODE_COMMON_ISCSI_CLEANUP, sizeof(*req)); | |
204 | ||
205 | req->chute = chute; | |
206 | req->hdr_ring_id = 0; | |
207 | req->data_ring_id = 0; | |
208 | ||
bfead3b2 | 209 | status = be_mcc_notify_wait(phba); |
6733b39a JK |
210 | if (status) |
211 | shost_printk(KERN_WARNING, phba->shost, | |
212 | " mgmt_epfw_cleanup , FAILED\n"); | |
213 | spin_unlock(&ctrl->mbox_lock); | |
214 | return status; | |
215 | } | |
216 | ||
03a12310 | 217 | unsigned int mgmt_invalidate_icds(struct beiscsi_hba *phba, |
4183122d | 218 | struct invalidate_command_table *inv_tbl, |
3cbb7a74 JK |
219 | unsigned int num_invalidate, unsigned int cid, |
220 | struct be_dma_mem *nonemb_cmd) | |
221 | ||
6733b39a | 222 | { |
6733b39a | 223 | struct be_ctrl_info *ctrl = &phba->ctrl; |
756d29c8 JK |
224 | struct be_mcc_wrb *wrb; |
225 | struct be_sge *sge; | |
6733b39a | 226 | struct invalidate_commands_params_in *req; |
4183122d | 227 | unsigned int i, tag = 0; |
756d29c8 JK |
228 | |
229 | spin_lock(&ctrl->mbox_lock); | |
230 | tag = alloc_mcc_tag(phba); | |
231 | if (!tag) { | |
232 | spin_unlock(&ctrl->mbox_lock); | |
233 | return tag; | |
234 | } | |
6733b39a | 235 | |
3cbb7a74 | 236 | req = nonemb_cmd->va; |
f98c96b0 | 237 | memset(req, 0, sizeof(*req)); |
756d29c8 JK |
238 | wrb = wrb_from_mccq(phba); |
239 | sge = nonembedded_sgl(wrb); | |
240 | wrb->tag0 |= tag; | |
6733b39a JK |
241 | |
242 | be_wrb_hdr_prepare(wrb, sizeof(*req), false, 1); | |
243 | be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI, | |
244 | OPCODE_COMMON_ISCSI_ERROR_RECOVERY_INVALIDATE_COMMANDS, | |
245 | sizeof(*req)); | |
246 | req->ref_handle = 0; | |
247 | req->cleanup_type = CMD_ISCSI_COMMAND_INVALIDATE; | |
4183122d JK |
248 | for (i = 0; i < num_invalidate; i++) { |
249 | req->table[i].icd = inv_tbl->icd; | |
250 | req->table[i].cid = inv_tbl->cid; | |
251 | req->icd_count++; | |
252 | inv_tbl++; | |
253 | } | |
3cbb7a74 JK |
254 | sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd->dma)); |
255 | sge->pa_lo = cpu_to_le32(nonemb_cmd->dma & 0xFFFFFFFF); | |
256 | sge->len = cpu_to_le32(nonemb_cmd->size); | |
6733b39a | 257 | |
756d29c8 | 258 | be_mcc_notify(phba); |
6733b39a | 259 | spin_unlock(&ctrl->mbox_lock); |
756d29c8 | 260 | return tag; |
6733b39a JK |
261 | } |
262 | ||
03a12310 | 263 | unsigned int mgmt_invalidate_connection(struct beiscsi_hba *phba, |
6733b39a JK |
264 | struct beiscsi_endpoint *beiscsi_ep, |
265 | unsigned short cid, | |
266 | unsigned short issue_reset, | |
267 | unsigned short savecfg_flag) | |
268 | { | |
269 | struct be_ctrl_info *ctrl = &phba->ctrl; | |
756d29c8 JK |
270 | struct be_mcc_wrb *wrb; |
271 | struct iscsi_invalidate_connection_params_in *req; | |
272 | unsigned int tag = 0; | |
6733b39a JK |
273 | |
274 | spin_lock(&ctrl->mbox_lock); | |
756d29c8 JK |
275 | tag = alloc_mcc_tag(phba); |
276 | if (!tag) { | |
277 | spin_unlock(&ctrl->mbox_lock); | |
278 | return tag; | |
279 | } | |
280 | wrb = wrb_from_mccq(phba); | |
281 | wrb->tag0 |= tag; | |
282 | req = embedded_payload(wrb); | |
6733b39a JK |
283 | |
284 | be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0); | |
285 | be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI_INI, | |
286 | OPCODE_ISCSI_INI_DRIVER_INVALIDATE_CONNECTION, | |
287 | sizeof(*req)); | |
288 | req->session_handle = beiscsi_ep->fw_handle; | |
289 | req->cid = cid; | |
290 | if (issue_reset) | |
291 | req->cleanup_type = CMD_ISCSI_CONNECTION_ISSUE_TCP_RST; | |
292 | else | |
293 | req->cleanup_type = CMD_ISCSI_CONNECTION_INVALIDATE; | |
294 | req->save_cfg = savecfg_flag; | |
756d29c8 | 295 | be_mcc_notify(phba); |
6733b39a | 296 | spin_unlock(&ctrl->mbox_lock); |
756d29c8 | 297 | return tag; |
6733b39a JK |
298 | } |
299 | ||
03a12310 | 300 | unsigned int mgmt_upload_connection(struct beiscsi_hba *phba, |
6733b39a JK |
301 | unsigned short cid, unsigned int upload_flag) |
302 | { | |
303 | struct be_ctrl_info *ctrl = &phba->ctrl; | |
756d29c8 JK |
304 | struct be_mcc_wrb *wrb; |
305 | struct tcp_upload_params_in *req; | |
306 | unsigned int tag = 0; | |
6733b39a JK |
307 | |
308 | spin_lock(&ctrl->mbox_lock); | |
756d29c8 JK |
309 | tag = alloc_mcc_tag(phba); |
310 | if (!tag) { | |
311 | spin_unlock(&ctrl->mbox_lock); | |
312 | return tag; | |
313 | } | |
314 | wrb = wrb_from_mccq(phba); | |
315 | req = embedded_payload(wrb); | |
316 | wrb->tag0 |= tag; | |
6733b39a JK |
317 | |
318 | be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0); | |
319 | be_cmd_hdr_prepare(&req->hdr, CMD_COMMON_TCP_UPLOAD, | |
320 | OPCODE_COMMON_TCP_UPLOAD, sizeof(*req)); | |
321 | req->id = (unsigned short)cid; | |
322 | req->upload_type = (unsigned char)upload_flag; | |
756d29c8 | 323 | be_mcc_notify(phba); |
6733b39a | 324 | spin_unlock(&ctrl->mbox_lock); |
756d29c8 | 325 | return tag; |
6733b39a JK |
326 | } |
327 | ||
328 | int mgmt_open_connection(struct beiscsi_hba *phba, | |
329 | struct sockaddr *dst_addr, | |
3cbb7a74 JK |
330 | struct beiscsi_endpoint *beiscsi_ep, |
331 | struct be_dma_mem *nonemb_cmd) | |
332 | ||
6733b39a JK |
333 | { |
334 | struct hwi_controller *phwi_ctrlr; | |
335 | struct hwi_context_memory *phwi_context; | |
336 | struct sockaddr_in *daddr_in = (struct sockaddr_in *)dst_addr; | |
337 | struct sockaddr_in6 *daddr_in6 = (struct sockaddr_in6 *)dst_addr; | |
338 | struct be_ctrl_info *ctrl = &phba->ctrl; | |
756d29c8 JK |
339 | struct be_mcc_wrb *wrb; |
340 | struct tcp_connect_and_offload_in *req; | |
6733b39a JK |
341 | unsigned short def_hdr_id; |
342 | unsigned short def_data_id; | |
343 | struct phys_addr template_address = { 0, 0 }; | |
344 | struct phys_addr *ptemplate_address; | |
756d29c8 | 345 | unsigned int tag = 0; |
bfead3b2 | 346 | unsigned int i; |
6733b39a | 347 | unsigned short cid = beiscsi_ep->ep_cid; |
3cbb7a74 | 348 | struct be_sge *sge; |
6733b39a JK |
349 | |
350 | phwi_ctrlr = phba->phwi_ctrlr; | |
351 | phwi_context = phwi_ctrlr->phwi_ctxt; | |
352 | def_hdr_id = (unsigned short)HWI_GET_DEF_HDRQ_ID(phba); | |
353 | def_data_id = (unsigned short)HWI_GET_DEF_BUFQ_ID(phba); | |
354 | ||
355 | ptemplate_address = &template_address; | |
356 | ISCSI_GET_PDU_TEMPLATE_ADDRESS(phba, ptemplate_address); | |
357 | spin_lock(&ctrl->mbox_lock); | |
756d29c8 JK |
358 | tag = alloc_mcc_tag(phba); |
359 | if (!tag) { | |
360 | spin_unlock(&ctrl->mbox_lock); | |
361 | return tag; | |
362 | } | |
363 | wrb = wrb_from_mccq(phba); | |
3cbb7a74 JK |
364 | memset(wrb, 0, sizeof(*wrb)); |
365 | sge = nonembedded_sgl(wrb); | |
366 | ||
367 | req = nonemb_cmd->va; | |
368 | memset(req, 0, sizeof(*req)); | |
756d29c8 | 369 | wrb->tag0 |= tag; |
6733b39a | 370 | |
b15d05b0 | 371 | be_wrb_hdr_prepare(wrb, sizeof(*req), false, 1); |
6733b39a JK |
372 | be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI, |
373 | OPCODE_COMMON_ISCSI_TCP_CONNECT_AND_OFFLOAD, | |
374 | sizeof(*req)); | |
375 | if (dst_addr->sa_family == PF_INET) { | |
376 | __be32 s_addr = daddr_in->sin_addr.s_addr; | |
377 | req->ip_address.ip_type = BE2_IPV4; | |
378 | req->ip_address.ip_address[0] = s_addr & 0x000000ff; | |
379 | req->ip_address.ip_address[1] = (s_addr & 0x0000ff00) >> 8; | |
380 | req->ip_address.ip_address[2] = (s_addr & 0x00ff0000) >> 16; | |
381 | req->ip_address.ip_address[3] = (s_addr & 0xff000000) >> 24; | |
382 | req->tcp_port = ntohs(daddr_in->sin_port); | |
383 | beiscsi_ep->dst_addr = daddr_in->sin_addr.s_addr; | |
384 | beiscsi_ep->dst_tcpport = ntohs(daddr_in->sin_port); | |
385 | beiscsi_ep->ip_type = BE2_IPV4; | |
386 | } else if (dst_addr->sa_family == PF_INET6) { | |
387 | req->ip_address.ip_type = BE2_IPV6; | |
388 | memcpy(&req->ip_address.ip_address, | |
389 | &daddr_in6->sin6_addr.in6_u.u6_addr8, 16); | |
390 | req->tcp_port = ntohs(daddr_in6->sin6_port); | |
391 | beiscsi_ep->dst_tcpport = ntohs(daddr_in6->sin6_port); | |
392 | memcpy(&beiscsi_ep->dst6_addr, | |
393 | &daddr_in6->sin6_addr.in6_u.u6_addr8, 16); | |
394 | beiscsi_ep->ip_type = BE2_IPV6; | |
395 | } else{ | |
396 | shost_printk(KERN_ERR, phba->shost, "unknown addr family %d\n", | |
397 | dst_addr->sa_family); | |
398 | spin_unlock(&ctrl->mbox_lock); | |
5db3f33d | 399 | free_mcc_tag(&phba->ctrl, tag); |
6733b39a JK |
400 | return -EINVAL; |
401 | ||
402 | } | |
403 | req->cid = cid; | |
bfead3b2 JK |
404 | i = phba->nxt_cqid++; |
405 | if (phba->nxt_cqid == phba->num_cpus) | |
406 | phba->nxt_cqid = 0; | |
407 | req->cq_id = phwi_context->be_cq[i].id; | |
457ff3b7 | 408 | SE_DEBUG(DBG_LVL_8, "i=%d cq_id=%d\n", i, req->cq_id); |
6733b39a JK |
409 | req->defq_id = def_hdr_id; |
410 | req->hdr_ring_id = def_hdr_id; | |
411 | req->data_ring_id = def_data_id; | |
412 | req->do_offload = 1; | |
413 | req->dataout_template_pa.lo = ptemplate_address->lo; | |
414 | req->dataout_template_pa.hi = ptemplate_address->hi; | |
3cbb7a74 JK |
415 | sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd->dma)); |
416 | sge->pa_lo = cpu_to_le32(nonemb_cmd->dma & 0xFFFFFFFF); | |
417 | sge->len = cpu_to_le32(nonemb_cmd->size); | |
756d29c8 | 418 | be_mcc_notify(phba); |
6733b39a | 419 | spin_unlock(&ctrl->mbox_lock); |
756d29c8 | 420 | return tag; |
6733b39a | 421 | } |
bfead3b2 | 422 | |
756d29c8 | 423 | unsigned int be_cmd_get_mac_addr(struct beiscsi_hba *phba) |
bfead3b2 JK |
424 | { |
425 | struct be_ctrl_info *ctrl = &phba->ctrl; | |
756d29c8 JK |
426 | struct be_mcc_wrb *wrb; |
427 | struct be_cmd_req_get_mac_addr *req; | |
428 | unsigned int tag = 0; | |
bfead3b2 JK |
429 | |
430 | SE_DEBUG(DBG_LVL_8, "In be_cmd_get_mac_addr\n"); | |
431 | spin_lock(&ctrl->mbox_lock); | |
756d29c8 JK |
432 | tag = alloc_mcc_tag(phba); |
433 | if (!tag) { | |
434 | spin_unlock(&ctrl->mbox_lock); | |
435 | return tag; | |
436 | } | |
437 | ||
438 | wrb = wrb_from_mccq(phba); | |
439 | req = embedded_payload(wrb); | |
440 | wrb->tag0 |= tag; | |
bfead3b2 JK |
441 | be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0); |
442 | be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI, | |
443 | OPCODE_COMMON_ISCSI_NTWK_GET_NIC_CONFIG, | |
444 | sizeof(*req)); | |
445 | ||
756d29c8 | 446 | be_mcc_notify(phba); |
bfead3b2 | 447 | spin_unlock(&ctrl->mbox_lock); |
756d29c8 | 448 | return tag; |
bfead3b2 JK |
449 | } |
450 |